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Dimitris Angelides Data Analyst | Tableau Consultant

About Me

Tableau Consultant for ad-hoc projects for 15+ clients
UK, US, Europe

I specialise in providing beginning to end BI solutions, through support/training services for clients. Guiding them through their data, supporting their own development via calls and on-site training sessions. This encompasses Tableau best practices, design, efficiency, and streamlining for performance, marrying visual analytics with pre-requisite data manipulation and prep for ease of work and speed to insight.

Tableau Consultant
Chewy – US
Nov 2022 – Aug 2024

  • Designed, created and maintained an automated and centralised Tableau repository with cross-functional data for more informed and faster business decisions
  • Consulted the team on ETL processes to ensure data accuracy and better performance
  • Focused on improving the User Experience when interacting with the data along with maintaining visually compelling dashboards.

Tableau / Power BI & Data Strategy Consultant
Field Pros Direct – US

Oct 2021 – Aug 2024

  • Migration between the two platforms. Recreated all Tableau dashboards to PowerBI, including complex data connections
  • Dashboard building and remote support, developing multiple projects at various levels of the business to track insurance related metrics such as claim volume, geographical analysis, and other financial KPIs
  • Tableau Online content and data source management
  • Database migration to AWS technologies (S3&Athena)

Tableau Consultant
Picker – UK

Aug 2021 – Oct 2021

  • Enhanced Tableau dashboards both in terms of design and functionality
  • Supported the team by updating the data sources every year and adjusting the affected dashboard
  • Provided remote Tableau training and guidance on performing changes when needed

Tableau Consultant
University College London – UK
Mar 2021 – Aug 2021

  • Designed and built Tableau dashboards to derive insights from UCAS student applications and HESA data
  • Utilised Tableau Prep to manage, clean, and transform the data to the right structure and format for analysis

Tableau Dashboard Designer
Cognita AG – Germany
Nov 2020 – Feb 2021

• Dashboard building, training services, and remote support
• Upgraded existing reports to adopt best practices, exploit newly available techniques, and future proof

Tableau Consultant
Intouch Group – US
Apr 2020 – Aug 2023

  • Designed and created centralised Tableau dashboards to track and analyse important KPI metrics for various business areas and help improve decision making
  • Introduce a navigation side bar that allowed the stakeholders to switch between dashboards in a fast and efficient way

Portfolio

Education

  • Master of Science (MS), Business Analytics at Warwick Business School

    2017 - 2018

    Award: Distinction
    Scholarships: 50% of Tuition Fees

    Modules included:
    – Business Statistics
    – Analytics in Practice
    – Spreadsheet Modelling
    – Advanced Data Analysis

  • Bachelor of Science (BS), Business Administration at University of Macedonia

    2012 - 2016

    GPA Awarded: 8.69 out of 10

    Modules included:
    – Quantitative Analysis for Business Decisions
    – Production and Operations Management
    – Special Topics in Information Systems (Data Science)
    – Simulation Techniques in Management Science

Experience

  • Data Analyst | Tableau Consultant

    2022 - Present

    I have been helping client to make the most out of their data using Tableau and other technologies

  • Data Consultant

    • Designed and developed interactive reports and dashboards to assist clients efficiently in monitoring the company’s performance.
    • Processed unstructured and/or inconsistent data into the suitable format and quality for analysis (Tableau Prep, Alteryx).
    • Researched and analysed data to formulate the appropriate calculations to ensure that the clients’ requirements were reached.
    • Enhanced existing dashboards by transforming complex data into clear and compelling charts and visualisations.
    • Involved in programming SQL queries to gather and combine information scattered in multiple data sources.
    • Demonstrated Tableau Software to clients who were either potential customers of Tableau or were seeking help and advice on Tableau Services.

  • Teaching Assistant

    • Responsible for illustrating the use of two accounting software programs to undergraduate students and reporting their progress to supervisors.
    • Collaborated with team members to provide the best teaching experience possible and prepared before each lecture for upcoming queries or difficulties may occur.